body {
	background: url(../img/back.png) no-repeat center center fixed;
	background-size: cover;
	font-size: 0.875rem;
	text-align: center;
	min-width:900px;
}

.logo {
	margin-top: 4rem;
	margin-bottom: 1rem;
}

.logo img {
	height: 3.75rem;
	width: 5rem;
}

.logo span {
	color: #FFFFFF;
	font-size: 1.7em;
	letter-spacing: 2px;
}

.content {
	width: 100%;
}

.main-left {
	float: left;
	width: 20%;
	margin-left: 5%;
}

.user {
	height: 6rem;
	background-color: #13E8E9;
	background-image: url(../img/lisan.png);
	background-repeat: no-repeat;
}

li {
	list-style: none;
}

li img {
	float: left;
	width: 4rem;
	height: 4rem;
}

.sysinfo {
	margin-top: 1rem;
	background-color: #404A59;
}

.deviceinfo {
	margin-top: 1rem;
	background-color: #245E8F;
}

.main-middle {
	float: left;
	width: 30%;
	margin-left: 5%;
}

.main-right {
	float: left;
	width: 30%;
	height: 21rem;
	background-color: aliceblue;
	margin-left: 5%;
}

#allmap {
	width: 100%;
	height: 100%;
}

.jiantou {
	background-image: url(../img/jiantou.png);
	background-repeat: no-repeat;
	width: 200px;
	height: 60px;
	line-height: 50px;
	font-size: 20px;
	color: white;
	margin-left: 50px;
	margin-top: 50px;
}

.main_text{
		font-size: 1.4em;
		color:darkgoldenrod;
	}
}
